- Family:
- Apocynaceae Juss.
- Genus:
- Raphionacme Harv.
Raphionacme madiensis S.Moore
[FTEA]
Apocynaceae (part 2), David Goyder, Timothy Harris, Siro Masinde, Ulrich Meve, Johan Venter. Flora of Tropical East Africa, 2012
- Morphology General Habit
- Herb, up to 0.2 m tall, profusely lactiferous.
- Vegetative Multiplication Tubers
- Tuber sub-spherical, up to 16 cm diameter.
- Morphology Stem
- Aerial stems erect to spreading, branching lateral, 10–16 cm long, puberulent to scabridulous
- Morphology Leaves
- Leaf petiole 5–20 mm long, puberulent; blade ovate, narrowly ovate, elliptic, narrowly elliptic, obovate or narrowly obovate, (5–)8–15 × (1–)3–5 cm, acute, base tapering, crinkled, above green, puberulent, veins pale and densely puberulous, beneath pale green, puberulent, veins prominent and densely puberulous, margin wavy
- Morphology Reproductive morphology Inflorescences
- Inflorescences terminal and axillary, compact, manyflowered, densely puberulous to scabridulous.
- Morphology Reproductive morphology Inflorescences Peduncles
- Peduncles 0.5–1 cm long.
- Morphology Reproductive morphology Inflorescences Bracts
- Bracts subulate, 3–5 mm long.
- Morphology Reproductive morphology Flowers Pedicel
- Pedicels 5–7 mm long
- Morphology Reproductive morphology Flowers Calyx
- Sepals very narrowly triangular or narrrowly ovate, 2–3 mm long
- Morphology Reproductive morphology Flowers Corolla
- Corolla tube campanulate, ± 2 mm long, puberulous outside; lobes oblong-ovate, oblong-triangular, narrowly ovate or narrowly triangular, 5–7 × ± 2 mm, outside puberulent, green, inside glabrous, green or dull green to whitish with brown, pink, magenta or violet streaks, and/or tips and/or margins
- Morphology Reproductive morphology Flowers Corona
- Coronal feet columnar, ± 1 mm long, fused laterally to inner base of corolla lobes, apically tri-segmented; central segment filiform, 5–7 mm long, apex bifid or not, tortuous, papillose, lateral segments filiform, 2–3 mm long, glabrous or papillose
- Morphology Reproductive morphology Flowers Androecium Stamens Filaments
- Staminal filaments filiform, curving inwards, ± 1 mm long.
- Morphology Reproductive morphology Flowers Androecium Stamens Anthers
- Anthers white, ovate, ± 2 mm long, apices fused together over style-head.
- Morphology Reproductive morphology Flowers Gynoecium Style
- Style terete, ± 1 mm long; stylehead ovoid, acute
- Morphology Reproductive morphology Flowers Gynostegium
- Gynostegium base in corolla mouth
- Morphology Reproductive morphology Fruits
- Follicles solitary, erect, ovoid, 4.5–6 cm long, 1.2–1.5 cm diameter, with tapering apex
- Morphology Reproductive morphology Seeds
- Seeds unknown.
- Ecology
- Wooded grassland and grassland on rocky outcrops and in shallow rock-basins; 850–2050 m
- Distribution
- Range: Congo-Kinshasa, Rwanda, Burundi, Angola, Zambia Flora districts: U1 U3 K3 T1 T4 T7
Native to:
Angola, Burundi, Kenya, Rwanda, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe
Raphionacme madiensis S.Moore appears in other Kew resources:
First published in J. Bot. 46: 293 (1908)
Accepted by
- Albers, F. & Meve, U. (eds.) (2002). Illustrated handbook of succulent plants Asclepiadaceae, corr. 2nd printing: 1-318. Springer, Berlin, Heidelberg,New York.
- Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Flora Zambesiaca 7(3): 1-375. Royal Botanic Gardens, Kew.
- Goyder, S., Harris, T., Masinde, S., Meve, U. & Venter, J. (2012). Flora of Tropical East Africa, Apocynaceae(2): 1-530.
- Venter, H.J.T. (2009). A taxonomic revision of Raphianacme (Apocynaceae: Periplocoideae) South African Journal of Botany 75: 292-350.
Literature
Kew Backbone Distributions
- Goyder, D.J., Gilbert, M.G. & Venter, H.J.T. (2020). Flora Zambesiaca 7(3): 1-375. Royal Botanic Gardens, Kew.
- Venter, H.J.T. (2009). A taxonomic revision of Raphianacme (Apocynaceae: Periplocoideae) South African Journal of Botany 75: 292-350.
Flora of Tropical East Africa
- Fl. Rwanda 3: 110 (1985)
- J.B. 46: 294 (1908)
- U.K.W.F. ed. 2: 175 (1994).
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Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0
-
Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0
-
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0